Uncle Sam showing off to other countries about Prohibition and how it’s benefiting the States. He even calls the United States "Dryola," the clean spot on the entire globe, since it doesn’t have the stain of alcohol within its borders.
During World War I, Britain enacted the Defense of the Realm Act (DORA), which partially prohibited alcohol for soldiers by limiting pub hours, reducing alcohol percentages, and restricting supply. This was due to concerns that soldiers were drinking…
The poster puts a lot of emphasis onto the citizens of the nation. Without citizens resisting harmful supposedly then the nation will fall. This type of writing makes the reader very motivated to actually push towards banning alcohol.